/**
 * @author @xsomnus666_xiawenye★
 * @since 2019/6/20 0020 11:01
 * - Stay Hungry, Stay Foolish
 * - Just do it
 */

public class TreeNode {
    int val;
    TreeNode left;
    TreeNode right;

    TreeNode(int x) {
        val = x;
    }
}
